But while American steel industry groups have hailed the tariff hike, economic experts have sounded alarms, saying it could further disrupt the already volatile global supply chai

President Trump doubled almost all aluminum and steel import tariffs, seeking to curb China’s growing dominance in global trade. These six charts show the tariffs’ potential economic effects.

Trump administration tariffs on all imported aluminum and steel are now in effect as the United States launched a 50% duty directly on those materials Wednesday.